Thickness gauge : 0990-20806
Piston ring end gap(Assembly condition)
1st
2nd
Service limit
0.5 mm (0.02 in)
0.5 mm (0.02 in)
Service limit
0.180 mm (0.007 in)
0.150 mm (0.006 in)
Piston ring-groove clearance
1st
2nd
PISTON RING-TO-GROOVE CLEAR-
ANCE INSPECTION
Remove carbon deposit both from the piston ring and its
groove.
Fit the piston ring into the groove. With the ring com-
pressed and lifted up, measure the clearance on the
bottom side of the ring using a thickness gauge.
Oversize oil ring
The following two types of oversize oil ring are used.
They bear the following identification marks.
Color classification
Painted red
Painted yellow
Oversize oil ring
0.5 mm
1.0 mm
2nd
05
10
1st
05
10
Oversize piston ring
0.5 mm
1.0 mm
OVERSIZE RINGS
Oversize piston ring
The following two types of oversize piston ring are used.
They bear the following identification numbers.
Standard
0.970~0.990 mm
(0.0382~0.0390 in)
Piston ring thickness
Standard
Piston ring-groove width
Thickness gauge : 09900-20806
Micrometer(0~25 mm) : 09900-20201
3-25 ENGINE
Oil
2nd
1st
2.01~2.03 mm
(0.079~0.080 in)
1.01~1.03 mm
(0.040~0.041 in)
1.01~1.03 mm
(0.040~0.041 in)
2nd
1st
0.970~0.990 mm
(0.0382~0.0390 in)
Summary of Contents for 2002 Comet 125
Page 1: ...SERVICE MANUAL 99000 94710 SERVICE MANUAL HYOSUNG MOTORS MACHINERY INC ...
Page 5: ...NOTE Difference between photographs and actual motorcycles depends on the markets ...
Page 13: ...EXTERIOR ILLUSTRATION 1 7 GENERAL INFORMATION ...
Page 96: ...CARBURETOR FUEL SYSTEM 4 4 ...
Page 118: ...LAMP HEADLAMP TURN SIGNAL LAMP TAIL BRAKE LAMP Front Rear ELECTRICAL SYSTEM 5 16 ...
Page 138: ...FRONT FORK CHASSIS 6 14 ...
Page 144: ...FRONT FORK CHASSIS 6 20 ...